Geomagnetic Activity
Geomagnetic activity refers to the variations in the Earth's magnetic field caused by the interaction between the solar wind and the Earth's magnetosphere. The solar wind is a stream of charged particles that flows from the Sun and interacts with the Earth's magnetic field. This interaction can cause disturbances in the Earth's magnetic field, which can lead to a variety of effects, including auroras, magnetic storms, and disruptions to power grids and communication systems. Geomagnetic activity is measured using a variety of instruments, including magnetometers and ionospheric sounders.
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